I was at Lincoln too and saw the same receiver but since I already have one didn't give it much of a look. I haven't done anything with the one I have other than ask a few guys questions, the main comment is the that the receiver is a bit wide for use on crowded ham bands.
Jeff, K7JCA, has a write up on his website, he is often at the De Anza College Swap here in the Bay Area, here is a link to his website.
http://k6jca.blogspot.com/search/label/R-105%2FARR-15%20Receiver